URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 329 NWS Storm Prediction Center Norman OK 540 PM MDT Sat Jul 4 2020 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Montana * Effective this Saturday afternoon from 540 PM until Midnight MDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible SUMMARY...Scattered thunderstorms, in the form of high-based supercells and clusters, will form and move across eastern Montana through early tonight. The storm environment will favor damaging winds and large hail as the primary threats. The severe thunderstorm watch area is approximately along and 80 statute miles east and west of a line from 60 miles north of Wolf Point MT to 15 miles west southwest of Broadus MT. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 328... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 26025. ...ThompsonRead more
from SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0329.html
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